try some recursivity

.gitea/workflows/dockerfile_runner.yaml

@@ -10,9 +10,10 @@ jobs:
     env:
       RUNNER_TOOL_CACHE: /toolcache
     container:
+      image: gitea.tryton.geeraert.eu/pi-ux-ce/custom-runner-debian-slim:latest
       volumes:
         - act-toolcache:/opt/hostedtoolcache # this is where Runner store their cache default
-    runs-on: ubuntu-latest
+    runs-on: host-runner
     steps:
       - run: echo "🔎 The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
       - name: Check out repository code
@@ -34,13 +35,6 @@ jobs:
           echo "------------------------------------------------"
           echo "Next version: $next_version"
 
-      - name: Cache Docker layers
-        uses: actions/cache@v4
-        with:
-          path: /opt/hostedtoolcache/.buildx-cache
-          key: ${{ runner.os }}-buildx-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-
 
       - name: Login to gitea
         uses: docker/login-action@v3